Oil-in-water emulsion composition

Abstract

The present invention relates to a composition in the form of an O/W emulsion, comprising: (a) at least one UV filter; (b) at least one inulin or inulin modified with hydrophobic chains; (c) at least one sugar ether surfactant; (d) at least one hydrophilic acrylic polymer; and (e) water. The composition according to the present invention can provide a homogeneous film when being applied, and good cosmetic effects such as superior UV filtering effects, while providing a watery fresh feeling during the application and a non-sticky feeling after the application.

The invention claimed is: 
     
       1. A composition in the form of an oil-in-water emulsion, comprising:
 (a) at least one UV filter; 
 (b) at least one inulin, optionally modified with hydrophobic chains; 
 (c) at least one sugar ether surfactant; 
 (d) at least one hydrophilic acrylic polymer selected from the group consisting of sodium acrylate/sodium acryloyldimethyl taurate copolymer, acrylamide/sodium acryloyldimethyltaurate copolymer, ammonium polyacryloyldimethyl taurate, ammonium acryloyldimethyl taurate/VP copolymer, or combinations thereof; and 
 (e) water, 
 wherein:
 the at least one UV filter is present in the composition in an amount ranging from about 0.01% to about 30% by weight, relative to the total weight of the composition; 
 the at least one inulin is present in an amount ranging from about 0.01% to about 10% by weight, relative to the total weight of the composition; 
 the at least one sugar ether surfactant is present in an amount ranging from about 0.05% to about 10% by weight, relative to the total weight of the composition; 
 the at least one hydrophilic acrylic polymer is present in an amount ranging from about 0.01% to about 10% by weight, relative to the total weight of the composition; and 
 the water is present in an amount ranging from about 40% to about 95% by weight, relative to the total weight of the composition. 
 
 
     
     
       2. The composition according to  claim 1 , wherein the at least one UV filter is selected from inorganic UV filters, organic UV filters, or mixtures thereof. 
     
     
       3. The composition according to  claim 2 , wherein the inorganic UV filters are selected from metal oxides, or mixtures thereof, and wherein the organic UV filters are selected from anthranilic compounds, dibenzoylmethane compounds, cinnamic compounds, salicylic compounds, camphor compounds, benzophenone compounds, β, β-diphenylacrylate compounds, triazine compounds, benzotriazole compounds, benzalmalonate compounds, benzimidazole compounds, imidazoline compounds, bis-benzoazolyl compounds, p-aminobenzoic acid (PABA) compounds, methylenebis(hydroxyphenylbenzotriazole) compounds, benzoxazole compounds, screening polymers and screening silicones, dimers derived from α-alkylstyrene, 4,4-diarylbutadienes compounds, or mixtures thereof. 
     
     
       4. The composition according to  claim 1 , wherein the at least one UV filter is present in the composition in an amount ranging from about 0.1% to about 25% by weight, relative to the total weight of the composition. 
     
     
       5. The composition according to  claim 1 , wherein the inulin is modified with hydrophobic chains, and wherein the hydrophobic chain is an alkylcarbamate group. 
     
     
       6. The composition according to  claim 1 , wherein the at least one inulin is present in an amount ranging from about 0.1% to about 5% by weight, relative to the total weight of the composition. 
     
     
       7. The composition according to  claim 1 , wherein the at least one sugar ether surfactant is selected from glucoside type surfactants. 
     
     
       8. The composition according to  claim 7 , wherein the glucoside type surfactant is chosen from compounds according to the formula below:
   R 1 O—(R 2 O) t (G) v  
 
 wherein:
 R 1  is chosen from a hydrogen atom or a linear or branched alkyl radical containing from 1 to 30 carbon atoms, or an aralkyl radical containing from 7 to 30 carbon atoms, with the proviso that at least one R 1  is a linear or branched alkyl radical containing from 1 to 30 carbon atoms; 
 R 2  is an alkylene radical containing from 2 to 4 carbon atoms; 
 G is a reduced sugar containing 5 or 6 carbon atoms; 
 t is a value ranging from 0 to 10; and 
 v is a value ranging from 1 to 15. 
 
 
     
     
       9. The composition according to  claim 1  wherein the at least one sugar ether surfactant is present in an amount ranging from about 0.1% to about 5% by weight, relative to the total weight of the composition. 
     
     
       10. The composition according to  claim 1 , wherein the at least one hydrophilic acrylic polymer is present in an amount ranging from about 0.05% to about 5% by weight, relative to the total weight of the composition. 
     
     
       11. The composition according to  claim 1 , wherein the water is present in an amount ranging from about 50% to about 90% by weight, relative to the total weight of the composition. 
     
     
       12. The composition according to  claim 1 , further comprising at least one fatty alcohol. 
     
     
       13. The composition according to  claim 12 , wherein the at least one fatty alcohol is present in an amount ranging from about 0.01% to about 20% by weight, relative to the total weight of the composition. 
     
     
       14. A method of protecting a keratin substance from ultraviolet radiation comprising applying to the keratin substance a composition in the form of an oil-in-water emulsion, comprising:
 (a) at least one UV filter; 
 (b) at least one inulin, optionally modified with hydrophobic chains; 
 (c) at least one sugar ether surfactant; 
 (d) at least one hydrophilic acrylic polymer selected from the group consisting of sodium acrylate/sodium acryloyldimethyl taurate copolymer, acrylamide/sodium acryloyldimethyltaurate copolymer, ammonium polyacryloyldimethyl taurate, ammonium acryloyldimethyl taurate/VP copolymer, or combinations thereof; and 
 (e) water, 
 wherein:
 the at least one UV filter is present in the composition in an amount ranging from about 0.01% to about 30% by weight, relative to the total weight of the composition; 
 the at least one inulin is present in an amount ranging from about 0.01% to about 10% by weight, relative to the total weight of the composition; 
 the at least one sugar ether surfactant is present in an amount ranging from about 0.05% to about 10% by weight, relative to the total weight of the composition; 
 the at least one hydrophilic acrylic polymer is present in an amount ranging from about 0.01% to about 10% by weight, relative to the total weight of the composition; and 
 the water is present in an amount ranging from about 40% to about 95% by weight, relative to the total weight of the composition.